Cat in the Hat Knows A Lot About That!"Secret Super Digger/Pucker Up and Blow"
Secret Super Digger - Sally is trying to grow a flower for her mom, but it just won't grow. Time to see Finola! At Finola's Farm, she introduces Cat, Sally and Nick to her secret super digger - Diggery the earthworm. Diggery shows them how plant roots need water air and compost, which Diggery helps to make. D

2:30 pm

Wild Kratts"Seasquatch"
The Kratt brothers' sub loses power while they are exploring the strange landscape of the ocean depths and they are trapped on the ocean floor of the deep sea. Aviva must figure out how to harness the energy from the deep sea's hydrothermal vents in order to save the brothers and return them to the surface. The Wild Kratts team learns all about the amazing process of chemosynthesis and how deep sea creatures transform toxic chemicals into energy. D

3:00 pm

Wyland's Art Studio"Albatross Sun"
Paint the albatross sun with shapes and form, using color and contrast.G

3:30 pm

Piano Guy
Host Scott Houston and guests show viewers how to play Antonio Carlos Jobim's bossa nova tune, "Corcovado," and the signature lick from Billy Preston's "Nothin' from Nothin'." Featured guests include Lori Mechem, Dave Powers and Bradley Sowash. D

4:00 pm

Inventions That Shook The World"The 1920s"
Mobsters, jazz, and turbulent economic times mark the 1920s. Silent film makes the transition to the talkies as sound comes to the silver screen. The refrigerator gets a makeover from the smartest man in the world, and poverty inspires a desperate inventor to come up with a winner called television. Part 3 of 10G

NOVA"Forensics on Trial"
NOVA investigates the shaky state of crime science and looks for cutting-edge solutions. Today's forensics are in a state of crisis with few established scientific standards, no central oversight and poor regulation of examiners. Innocent men and women have been convicted on faulty forensic evidence. Of the more than 250 inmates exonerated by DNA testing in the last 10 years, more than half of the wrongful convictions stemmed from poorly executed forensics.G

7:00 pm

Inventions That Shook The World"The 1920s"
Mobsters, jazz, and turbulent economic times mark the 1920s. Silent film makes the transition to the talkies as sound comes to the silver screen. The refrigerator gets a makeover from the smartest man in the world, and poverty inspires a desperate inventor to come up with a winner called television. Part 3 of 10G

8:00 pm

Alan Alda in Scientific American Frontiers"Hot Planet - Cold Comfort"
Alda learns about global warming and what could happen if the great Atlantic Conveyor shuts down. He also slogs through melting permafrost to survey drowning forests in Alaska.G

NOVA scienceNOW"Can Science Stop Crime?"
Pogue gives the third degree to scientists pushing the limits of technology -- not only to solve horrific murders -- but also to try to prevent crimes before they even happen. He learns the latest techniques, from unraveling the clues embedded in a decomposing corpse, to detecting lies by peering directly into a suspect's brain, to tracking the creation of a criminal mind. And we meet a genius crime-stopper who's made some terrifying discoveries, including how easy it is for a bad guy to highjack -- not just your laptop -- but your kids' toys, medical devices and even your car. D

10:00 pm

NOVA"Forensics on Trial"
NOVA investigates the shaky state of crime science and looks for cutting-edge solutions. Today's forensics are in a state of crisis with few established scientific standards, no central oversight and poor regulation of examiners. Innocent men and women have been convicted on faulty forensic evidence. Of the more than 250 inmates exonerated by DNA testing in the last 10 years, more than half of the wrongful convictions stemmed from poorly executed forensics.G

11:00 pm

Inventions That Shook The World"The 1920s"
Mobsters, jazz, and turbulent economic times mark the 1920s. Silent film makes the transition to the talkies as sound comes to the silver screen. The refrigerator gets a makeover from the smartest man in the world, and poverty inspires a desperate inventor to come up with a winner called television. Part 3 of 10G